<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>arguments</title>
</head>
<body>
    
    <script>
    
        {
            // arguments

            function fn () {
                console.log('callee',arguments.callee);
                console.log('caller',fn.caller);
            }

            function fn1 () {
                fn();
            }

            console.log(fn1());

            console.log(fn('a','b','c','d'));


        }

    </script>

</body>
</html>